<!DOCTYPE html>  
<html lang="en">  
<head>  
    <meta charset="UTF-8">  
    <title>注册</title>  
</head>  
<body>  
    <h2>注册</h2>  
    <form action="register.php" method="post">  
        <label for="username">用户名:</label>  
        <input type="text" id="username" name="username" required><br><br>  
          
        <label for="email">邮箱:</label>  
        <input type="email" id="email" name="email" required><br><br>  
          
        <label for="password">密码:</label>  
        <input type="password" id="password" name="password" required><br><br>  
          
        <input type="submit" value="注册">  
    </form>  
</body>  
</html>